body, div, span, header, footer, nav, section, aside, article, ul, dl, dt, dd, li, a, p, h1, h2, h3, h4,h5, h6, i, b, textarea, button, input, select, figure, figcaption, {
  padding: 0;
  margin: 0;
  list-style: none;
  font-style: normal;
  text-decoration: none;
  border: none;
  // color: #333;
  font-weight: normal;
  font-family: 'MicrosoftYaHei', 'PingFang SC', 'STHeitiSC-Light', 'Helvetica-Light', arial, sans-serif, 'Droid Sans Fallback';
  box-sizing: border-box;
  -webkit-tap-highlight-color:transparent;
  -webkit-font-smoothing: antialiased;
  &:hover{
      outline: none;
  }
}
body,html {
  // max-width: 640px;
  margin: 0 auto;
}
* {
  box-sizing: border-box;
}
/*定义滚动条高宽及背景 高宽分别对应横竖滚动条的尺寸*/  
::-webkit-scrollbar  
{  
  width: 0px;  
  height: 0px;  
  background-color: #F5F5F5;  
}  

/*定义滚动条轨道 内阴影+圆角*/  
::-webkit-scrollbar-track  
{  
  -webkit-box-shadow: inset 0 0 1px rgba(0,0,0,0);  
  border-radius: 10px;  
  background-color: #F5F5F5;  
}  

/*定义滑块 内阴影+圆角*/  
::-webkit-scrollbar-thumb  
{  
  border-radius: 10px;  
  -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);  
  background-color: #555;  
}  

input[type="button"], input[type="submit"], input[type="search"], input[type="reset"] {
  -webkit-appearance: none;
}

textarea { -webkit-appearance: none;}   

html,body{
  height: 100%;
  width: 100%;
  // background-color: #F5F5F5;
}
body{
  font-size: 14px;
}

.clearfix::after {
  content: " ";
  clear: both;
  display: block;
  overflow: hidden;
  font-size: 0;
  height: 0;
}

.clear{
  zoom:1;
}

.fl{
  float: left;
}

.fr{
  float: right;
}

.hide{
  display: none;
}

.show{
  display: block;
}

.ellipsis{
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.app-active:active{
  background-color: #f8f9fa !important;
}

/*蒙版层*/
.app-mask{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  z-index:100;
}

@keyframes backOpacity{
 0%   { opacity: 1 }
 25%  { opacity: .5 }
 50%  { opacity: 1 }
 75%  { opacity: .5 }
 100% { opacity: 1 }
}

.animation_opactiy{
  animation: backOpacity 2s ease-in-out infinite;
}